{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x681ff3b702de0790618852d785dedb70ee6ab082919b312333626a6933ec9603",
    "signature": "0x3f15982488c2851ebd50c9a2708b6eb096f5611538eee89c7205873c481d6ec76015e143c98e1ed8b225c257e8f99b3ec381a675fdaf5667d444d2fc37aafa251c",
    "signer": "0x4c2Adb8A805d7e9D4611767BA100c70FEbEDC530",
    "userId": "335638261"
  }
}